#particles-js{
	width: 100%;
	height: 100%;
	position: absolute;
    background-image: url("../img/bg.jpg");
    background-position: center center;
    background-repeat: no-repeat;

    background-size: cover;

}
    a{font-size:30px;color:red}
    a{text-decoration: none}
    .register-href {width: 100%;
                    height:50%;
                    position:relative;
                    left:50%;
                    top:20%;}
    .invoice-href {
                    width: 100%;
                    height:50%;
                    position:relative;
                    left:50%;
                    bottom:20%;
                  }

